/**
 * unshift()方法向数组的开头添加一个或更多元素，并返回新的长度。
 */
var users = [
    {name: '张三', age: 21},
    {name: '李四', age: 32},
    {name: '王五', age: 23},
]

var result = users.unshift({name: '骆泽熙', age: 23}, {name: 'xiaoqiu', age: 22});
console.log(users)
